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A 9 volt battery is connected across the plates of a capacitor (70 pF). Calculate the charge on each plate and the number of electrons on the negative plate if the charge on an electron is 1.6 x 10-19 C.'
Find the pH during the titration of 20.00 mL of 0.1000 M triethylamine, (CH3CH2)3N (Kb = 5.2 × 10-4 ), with 0.1000 M HCl solution
3-di-t-butylcyclohexane exists in two forms that are known as the chair and boat conformations. at 580k 6.42 of the
Why was anhydrous, not wet, diethyl either used in the prepeatation and reaction of the Grignard reagent?
a gas is compressed at a constant pressure of0.320atm from a volume of 8.00l to 4.00 l. in the process 400 j of heat
a 10.0l container of helium gas with a presure of 250mmhg at 0 degrees celsius is heated to give a pressure of
A tap water sample is to be analyzed for nickel at the ppm level, which method would yield accurate results with the least amount of sample preparation?
What are some of the ways that the structure of molecules can be shown?
the masses in the question below are in grams at celsius temperature. the specific heat of water is 4.184 g degree
Calculate the molar concentration of OH- ions in a 0.540 M solution of hypobromite ion (BrO^ -\K_b = 4.0* 10^- 6.)
Consider the gas phase equilibrium, N2 + 3 H2 ↔ 2 NH3 . For this reaction, ΔGo = 50 kJ at 400 oC. What is the value of the equilibrium constant, K, at 400 C? (Note: Give value in non-scientific notation, use decimals.)
A water sample is suspected to be contaminated by iron (III) ions. How could you determine if the sample is really contaminated
Extracellular Na+ is higher than intracellular Na+. If membrane potential were to reach the equilibrium potential for Na+ in which direction would the net Na+ movement be?
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